Loved this recent story featured on Good Morning America. Dr. Melissa Freeman, at 92 years young, has been a doctor for more than 60 years. She splits her time between her private practice, which she has run for nearly 40 years, and a New York City clinic treating people addicted to opioids. How does she make it through the bustling city each day? The New York City subway of course! Click here to read more about her amazing story here, which includes her secrets to a long and happy life. You can also watch her appearance on Good Morning America below.